Trail Running calendar near Siler 2026-2027

We have found 123 Trailruns within 80 miles of Siler. See below where and when you can find the races.

Trail races on Vashon Island offering 50K, 20 mile and 10 mile courses through the Gateway Trail system with aid stations, team competition, youth discounts and volunteer nonprofit organization.

A team relay of roughly 50 miles from the base of Mount Rainier at Fairfax to the Ruston Way waterfront in Tacoma on June 6, 2026. Teams of 2 to 6 share 12 legs, with finish-line food, a beer garden, and awards across categories.

Trail races on the east flank of Tiger Mountain near Issaquah, WA, offering 5k, 12.6k and a 13.56-mile Half Marathon on well-marked loop courses with aid stations, parking at a DNR trailhead, and youth discounts.

Loop the 'Lupe! offers a unique mix of obstacle course challenges and family friendly runs in Seattle. Choose from competitive elite waves, a simpler family course, or flat walking events, all supporting local community outreach. Everyone g..

A volunteer-run, no-entry-fee event on June 6, 2026 offering marathon, half marathon, relay and 50K options. The mostly flat course runs from South Kent toward Alki with limited on-course support and donation-based funding.

A downhill marathon and half marathon near Snoqualmie Pass on June 7, 2026 with an alternate fully permitted course, about 1,000 feet of net elevation drop, USATF certification, and the marathon listed as a Boston qualifier.

A USATF certified marathon and half in Snoqualmie Pass on June 13, 2026, running through the Snoqualmie Tunnel with a sustained net downhill and Boston qualifying eligibility. The event is ranked nationally for fast qualifying courses.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

Trail half marathon and four mile in White Salmon, WA with lollipop loops, hilly terrain, and three aid stations. The event raises funds for the local cross country program and allows day of registration with cash, check or Venmo.

Experience the original adventure run at Mt Hood with a roughly 6 mile course through rugged terrain. Enjoy legendary camping near the start and finish at White River West Sno Park.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.

A low-key evening trail race series in Forest Park with three five-race Series from April to October. Races cover 4 to 7 miles, score into Series standings after four finishes, and benefit the Forest Park Conservancy.

An all women trail race weekend at the base of Mt. Adams in Trout Lake WA, June 19 to 21, 2026, offering 50k, marathon, half marathon and relay options, plus camping, panels, workshops and post-run recovery amenities.

Hotfoot 5K Trail Run in Port Orchard offers a mostly flat 5K and a 1 mile loop through South Kitsap Regional Park, with proceeds supporting a community scholarship and the public Fourth of July fireworks.

A loop race on Strawberry Island in the Columbia River Gorge featuring a 10 km loop over dirt and gravel trails. Multiple distances from 10K up to 100 miles are offered with aid every 6.2 miles and awards within a 30 hour limit.

Experience the forest trails of Carkeek Park in Seattle with 5k and 10k options featuring rolling hills and post-run festivities. Enjoy a community atmosphere with refreshments and awards in a beautiful wooded setting.

An ultramarathon weekend in Hyak, Washington offering new 200K plus 100 mile, 100K and 50 mile races on crushed limestone with a 2.3 mile tunnel and reported finish rate around 85 percent.

SISU 24 PNW at Camp Sheppard near Mount Rainier mixes self-supported trail running with 24 hour solo and team formats plus an optional 100 Mile route. Six marked trails, a points system with side quests, and weekend camping are included.

Point to point trail race on ridgelines around Mt Hood offering 50 mile, 50 kilometer, and a 50K relay. Courses are net downhill with substantial elevation change and shuttles from Red Barn Park.

The Needles 50k is a self-supported, unmarked mountain ultramarathon loop near Easton, WA, with 10,000 feet of climbing. Runners must navigate using a provided GPX file and carry all their own supplies, treating water from creeks. A 50-mile..

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